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How Spain ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to Spain over time.
The largest autonomous systems registered to Spain by IPv4 footprint.
Spain against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
1,164 autonomous systems registered to Spain. Click an AS for detail.
| AS15704ES | AS15704 XTRA TELECOM S.A. | 960.8K | 368 |
| AS29119ES | SERVIHOSTING-AS AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL | 691.5K | 408 |
| AS12338ES | EUSKALTEL Euskaltel S.A. | 658.4K | 118 |
| AS12334ES | R Cable y Telecable Telecomunicaciones, S.A.U. | 443.4K | 37 |
| AS200845ES | AVATEL-AS AVATEL TELECOM, SA | 363.3K | 474 |
| 256 |
| — |
| 1 |
| AS49212ES | REALE-SEGUROS-AS REALE SEGUROS GENERALES, S.A | 256 | — | 1 |
| AS204654ES | ASAGROSEGURO AGRUPACION ESPANOLA DE ENTIDADES ASEGURADORAS DE LOS SEGUROS AGRARIOS COMBINADOS SA | 256 | — | 1 |
| AS204629ES | Qemugen_Cloud Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS201569ES | northpoint North Point Solution SL | 256 | 65.5K | 2 |
| AS213600ES | voicecloud VOICE CLOUD SL | 256 | 1 | 2 |
| AS212957ES | HUCAME-AS Hucame Telecom Networks SLU | 256 | — | 1 |
| AS41994ES | Credito-y-Caucion ATRADIUS CREDITO Y CAUCION SA, DE SEGUROS Y REASEGUROS | 256 | — | 1 |
| AS12541ES | LYNTIA_BB_AS LYNTIA NETWORKS S.A. | 256 | — | 1 |
| AS47312ES | ZIPPINGCARE-AS Zipping Care S.L. | 256 | — | 1 |
| AS28935ES | ODEC-ES-AS ODEC, CENTRO DE CALCULO Y APLICACIONES INFORMATICAS, S.A. | 256 | — | 1 |
| AS199312ES | Megavista Free Technologies Excom S.L. | 256 | — | 1 |
| AS16373ES | MOEVE MOEVE SA | 256 | — | 1 |
| AS204133ES | Globex GLOBEX TIC SERVICES, S.L. | 256 | — | 1 |
| AS30939ES | ISDEFE-AS INGENIERIA DE SISTEMAS PARA LA DEFENSA DE ESPANA SA | 256 | — | 1 |
| AS211345ES | ValldignaLive Toni Plana i Peris | 256 | — | 1 |
| AS202324ES | casva CASVA SEGURIDAD, S.L. | 256 | — | 1 |
| AS204810ES | SERENAE SERENAE SERVICIOS AVANZADOS SL | 256 | 16.4K | 2 |
| AS208027ES | GESTAMP GESTAMP SERVICIOS, S.A. | 256 | — | 1 |
| AS41287ES | IPEOPLE Adjenet Networks SL | 256 | — | 1 |
| AS43419ES | digitel Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS199428ES | AlvaroNavas Alvaro Navas | 256 | — | 1 |
| AS216016ES | ayto-murcia Ayuntamiento de Murcia | 256 | — | 1 |
| AS212107ES | SINOPHOS-AS SINOPHOS GROUP LLORET SL. | 256 | — | 1 |
| AS211074ES | ESPUBLICO ESPUBLICO SERVICIOS PARA LA ADMINISTRACION SA | 256 | — | 1 |
| AS50816ES | INESCOP-AS INSTITUTO TECNOLOGICO DEL CALZADO Y CONEXAS INESCOP | 256 | — | 1 |
| AS211441ES | Byficom BYFITEL COMUNICACIONES SL | 256 | 524.3K | 2 |
| AS9094ES | LYNTIA_MSP_INTERNAL LYNTIA NETWORKS S.A. | 256 | — | 1 |
| AS200380ES | ASIMAGAR Imagar Informatica SL | 256 | — | 1 |
| AS208109ES | IDIADA IDIADA Automotive Technology, S.A. | 256 | — | 1 |
| AS207628ES | ESTYA-AS Eduardo Senin Herrero | 256 | 524.3K | 2 |
| AS202018ES | Servinet Servinet Sistemas y Comunicacion S.L. | 256 | — | 1 |
| AS200171ES | NTTSWSAAS-AS NUEVA TECNOLOGIA TECNICA, S.L. | 256 | — | 1 |
| AS204695ES | asservan MARIA JOSEFA SILVERO PARRA | 256 | — | 1 |
| AS202169ES | SCANSAT-AS AVATEL TELECOM, SA | 256 | — | 1 |
| AS213825ES | ES-NEORIS NEORIS SPAIN SLU | 256 | — | 1 |
| AS51555ES | ASN-PREFERENCE PREFERENCE SL | 256 | — | 1 |
| AS210605ES | ITENCORE IT ENCORE TECNOLOGIA SL | 256 | — | 1 |
| AS202210ES | Renta4_AS RENTA 4 BANCO S.A. | 256 | — | 1 |
| AS197772ES | NODO50 NODO50, Altavoz por la libertad de expresion y comunicacion | 256 | — | 1 |
| AS206041ES | NETWORKHERO Network Hero, S.L. | 256 | — | 1 |
| AS210055ES | ELECTROPUERTOSUR FIBERPLUS COMUNICATIONS, SL | 256 | — | 1 |
| AS203277ES | VOIPING-US VOIPING US SL | 256 | — | 1 |
| AS212377ES | ASGUARDIACIVIL Direccion General de la Guardia Civil | 256 | — | 1 |
| AS199195ES | AS_GUADALNET ANOTHER CALPE CONSULTING CONCEPT S.L. | 256 | 1 | 2 |
| AS212932ES | wimaxrng Wimax Redes de Nueva Generacion S.L.U | 256 | — | 1 |
| AS208824ES | POLOPRO Pau Cab | 256 | 18 | 4 |